iPhone 15 pre-orders are live and we’re already seen complaints about the ordering process. We haven’t seen any widespread issues yet, but some people trying to pre-order Apple’s new iPhone 15, iPhone ...

Fourth-order boundary value problems (BVPs) constitute an essential class of differential equations where the highest derivative is of fourth order. These equations arise naturally in the mathematical ...

Apple’s iPhone 14 pre-orders are live and buyers are starting to run into a variety of pre-order issues in the early going. While Apple and its partners have improved the iPhone pre-order process over ...